Rule 34 Dev - animal_genitalia animal_penis big_dom_small_sub cetacean_genitalia cetacean_penis detailed_background dominant dorsal_fin duo erection eyes_closed female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral fin flippers genital_slit genitals larger_male looking_pleasured male male/female male_penetrating male_penetrating_female narrowed_eyes open_mouth penetration penile penile_penetration penis penis_in_pussy pussy sex size_difference smaller_female tail tail_fin tapering_penis tongue tongue_out underwater underwater_sex vaginal vaginal_penetration water captein cetacean dolphin mammal marine oceanic_dolphin orca toothed_whale 5:4 letterbox|22062579700